Home / 79,008.35-109,031.76-43,198.95

Finding the Fourth Proportional to 79,008.35, 109,031.76 and 43,198.95

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Solution

The fourth proportional to 79,008.35, 109,031.76 and 43,198.95 is: 59,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,008.35 : 109,031.76 = 43,198.95 : x
  2. Step 2: Convert to fraction form
    79,008.35/109,031.76 = 43,198.95/x
  3. Step 3: Cross multiply
    79,008.35x = 109,031.76 × 43,198.95
  4. Step 4: Simplify right side
    79,008.35x = 4,710,057,548.65
  5. Step 5: Solve for x
    x = 4,710,057,548.65/79,008.35
  6. Step 6: Final answer
    x = 59,614.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.